メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.985992226701 37.6312035960401, 138.986863910211 37.6314152592315, 138.98771932462 37.6316286715641, 138.988582512149 37.6318255742551, 138.989434069461 37.6320098483501, 138.990279352497 37.6322014621271, 138.989917552867 37.6341099165626, 138.989838838283 37.6344976876742, 138.989675539793 37.6354037632535, 138.989585690441 37.6359160364892, 138.989556891176 37.6360801710636, 138.989458027889 37.6365409542897, 138.988573155985 37.6364338330214, 138.987685492888 37.636326433429, 138.987312337286 37.6383726323404, 138.986443087696 37.6382616303935, 138.985549300551 37.6381474846906, 138.984675568347 37.6380471883233, 138.984931872659 37.6366907687679, 138.985058510825 37.6360116512755, 138.98418962932 37.6359048521391, 138.983289837847 37.6357943702908, 138.983398979761 37.635220355327, 138.983501373508 37.6347459072137, 138.982529242724 37.6346368404792, 138.982821847906 37.6340164600998, 138.982877731108 37.6338979700127, 138.983126298487 37.633401523221, 138.984066774016 37.6314166498305, 138.984319731692 37.6308214886195, 138.985992226701 37.6312035960401)) ^^http://www.opengis.net/ont/geosparql#wktLiteral